diff --git a/libmaxsi/include/string.h b/libmaxsi/include/string.h
index 9fe71b94..354296e1 100644
--- a/libmaxsi/include/string.h
+++ b/libmaxsi/include/string.h
@@ -44,6 +44,7 @@ int strcmp(const char*, const char*);
 int strcoll(const char*, const char*);
 size_t strcspn(const char*, const char*);
 char* strcpy(char* restrict, const char* restrict);
+char* strdup(const char*);
 char* strerror(int);
 size_t strlen(const char*);
 int strncmp(const char*, const char*, size_t);
@@ -58,7 +59,6 @@ void* memccpy(void* restrict, const void* restrict, int, size_t);
 void* memmove(void*, const void*, size_t);
 char* stpncpy(char* restrict, const char* restrict, size_t);
 int strcoll_l(const char*, const char*, locale_t);
-char* strdup(const char*);
 char* strerror_l(int, locale_t);
 int strerror_r(int, char*, size_t);
 char* strncat(char* restrict, const char* restrict, size_t);